Jachtenfuchs, M. (1990). "The European Community and the Protection of the Ozone Layer". JCMS: Journal of Common Market Studies. 28 (3): 261–277. doi:10.1111/j.1468-5965.1990.tb00367.x. ISSN0021-9886.
Jachtenfuchs, M. (1990). "The European Community and the Protection of the Ozone Layer". JCMS: Journal of Common Market Studies. 28 (3): 261–277. doi:10.1111/j.1468-5965.1990.tb00367.x. ISSN0021-9886.